Air conditioner



FIG. 1 is a top, front, and right side perspective view of an air conditioner showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top, front, and right side perspective view thereof, with the wind flaps shown opened; and,

FIG. 9 is a right side elevational view thereof, with the wind flaps shown opened. 

CLAIM The ornamental design for an air conditioner, as shown and described. 